138828960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 144

約数和(自身を含む): 476952840

約数和(自身を除く): 338123880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 229, 240, 288, 360, 421, 458, 480, 687, 720, 842, 916, 1145, 1263, 1374, 1440, 1684, 1832, 2061, 2105, 2290, 2526, 2748, 3368, 3435, 3664, 3789, 4122, 4210, 4580, 5052, 5496, 6315, 6736, 6870, 7328, 7578, 8244, 8420, 9160, 10104, 10305, 10992, 12630, 13472, 13740, 15156, 16488, 16840, 18320, 18945, 20208, 20610, 21984, 25260, 27480, 30312, 32976, 33680, 36640, 37890, 40416, 41220, 50520, 54960, 60624, 65952, 67360, 75780, 82440, 96409, 101040, 109920, 121248, 151560, 164880, 192818, 202080, 289227, 303120, 329760, 385636, 482045, 578454, 606240, 771272, 867681, 964090, 1156908, 1446135, 1542544, 1735362, 1928180, 2313816, 2892270, 3085088, 3470724, 3856360, 4338405, 4627632, 5784540, 6941448, 7712720, 8676810, 9255264, 11569080, 13882896, 15425440, 17353620, 23138160, 27765792, 34707240, 46276320, 69414480, 138828960]

約数ペア:

[(1, 138828960), (2, 69414480), (3, 46276320), (4, 34707240), (5, 27765792), (6, 23138160), (8, 17353620), (9, 15425440), (10, 13882896), (12, 11569080), (15, 9255264), (16, 8676810), (18, 7712720), (20, 6941448), (24, 5784540), (30, 4627632), (32, 4338405), (36, 3856360), (40, 3470724), (45, 3085088), (48, 2892270), (60, 2313816), (72, 1928180), (80, 1735362), (90, 1542544), (96, 1446135), (120, 1156908), (144, 964090), (160, 867681), (180, 771272), (229, 606240), (240, 578454), (288, 482045), (360, 385636), (421, 329760), (458, 303120), (480, 289227), (687, 202080), (720, 192818), (842, 164880), (916, 151560), (1145, 121248), (1263, 109920), (1374, 101040), (1440, 96409), (1684, 82440), (1832, 75780), (2061, 67360), (2105, 65952), (2290, 60624), (2526, 54960), (2748, 50520), (3368, 41220), (3435, 40416), (3664, 37890), (3789, 36640), (4122, 33680), (4210, 32976), (4580, 30312), (5052, 27480), (5496, 25260), (6315, 21984), (6736, 20610), (6870, 20208), (7328, 18945), (7578, 18320), (8244, 16840), (8420, 16488), (9160, 15156), (10104, 13740), (10305, 13472), (10992, 12630)]